Home / 959,768.20-1,440,149.10-391,565.80

Finding the Fourth Proportional to 959,768.20, 1,440,149.10 and 391,565.80

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Solution

The fourth proportional to 959,768.20, 1,440,149.10 and 391,565.80 is: 587,551.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,768.20 : 1,440,149.10 = 391,565.80 : x
  2. Step 2: Convert to fraction form
    959,768.20/1,440,149.10 = 391,565.80/x
  3. Step 3: Cross multiply
    959,768.20x = 1,440,149.10 × 391,565.80
  4. Step 4: Simplify right side
    959,768.20x = 563,913,134,460.78
  5. Step 5: Solve for x
    x = 563,913,134,460.78/959,768.20
  6. Step 6: Final answer
    x = 587,551.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.